Big bore, big sound.

The 1240 XO Series features a large .571-inch bore combined with an independent dual Thayer valve system in Bb / F / Gb / D. The dual Thayer valve system creates an air passage that is completely balanced in both open and operated functions to ensure no loss of tone color or clarity.

Jupiter 1240 XO Professional Series Thayer Bass Trombone Features:

• Key: Bb / F / Gb / D
• Bore: .571-inch
• Leadpipe: Interchangeable
• Leadpipe Material: Yellow Brass
• Bell: 9.5-inch Two Piece
• Bell Material: Yellow or Rose Brass
• Handslide: Standard
• Handslide Material: Yellow Brass
• Handslide Crook Material: Nickel Silver
• F Attachment Wrap: Open
• F Attachment Valve: Dual Thayer
• Features: Three Interchangeable Leadpipes; Dual Thayer Valve Independent System
• Case: XO Series Wood Shell
• Mouthpiece: Yes
• Finish: Lacquer

Order today and revel in the sound.